Loans and Allowance for Credit Losses - Schedule of Allowance for Credit Losses and Recorded Investment in Loans Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Allowance for credit losses:
Ending balance: individually evaluated	$ 217	$ 188
Ending balance: collectively evaluated	18,235	16,697
Agriculture [Member]
Allowance for credit losses:
Ending balance: individually evaluated	178	107
Ending balance: collectively evaluated	5,024	4,245
Business Loans [Member]
Allowance for credit losses:
Ending balance: individually evaluated
Ending balance: collectively evaluated	2,732	3,248
Consumer Loans [Member]
Allowance for credit losses:
Ending balance: individually evaluated	39
Ending balance: collectively evaluated	1,961	365
Home Equity [Member]
Allowance for credit losses:
Ending balance: individually evaluated		53
Ending balance: collectively evaluated	3,097	2,732
Non-Owner Occupied CRE [Member]
Allowance for credit losses:
Ending balance: individually evaluated
Ending balance: collectively evaluated	855	1,342
Residential Real Estate [Member]
Allowance for credit losses:
Ending balance: individually evaluated		28
Ending balance: collectively evaluated	4,566	4,765
Loans Receivable [Member]
Allowance for credit losses:
Ending balance: individually evaluated	9,045	9,336
Ending balance: collectively evaluated	1,660,222	1,504,172
Loans receivable:
Ending balance	1,669,267	1,513,508
Loans Receivable [Member] \| Agriculture [Member]
Allowance for credit losses:
Ending balance: individually evaluated	1,543	3,101
Ending balance: collectively evaluated	322,672	314,856
Loans receivable:
Ending balance	324,215	317,957
Loans Receivable [Member] \| Business Loans [Member]
Allowance for credit losses:
Ending balance: individually evaluated	3,996	3,267
Ending balance: collectively evaluated	464,644	391,292
Loans receivable:
Ending balance	468,640	394,558
Loans Receivable [Member] \| Consumer Loans [Member]
Allowance for credit losses:
Ending balance: individually evaluated	465
Ending balance: collectively evaluated	75,592	5,703
Loans receivable:
Ending balance	76,057	5,703
Loans Receivable [Member] \| Home Equity [Member]
Allowance for credit losses:
Ending balance: individually evaluated	465	358
Ending balance: collectively evaluated	151,770	141,010
Loans receivable:
Ending balance	152,235	141,369
Loans Receivable [Member] \| Non-Owner Occupied CRE [Member]
Allowance for credit losses:
Ending balance: individually evaluated	235	1,007
Ending balance: collectively evaluated	186,004	168,577
Loans receivable:
Ending balance	186,239	169,584
Loans Receivable [Member] \| Residential Real Estate [Member]
Allowance for credit losses:
Ending balance: individually evaluated	2,341	1,603
Ending balance: collectively evaluated	459,540	482,734
Loans receivable:
Ending balance	$ 461,881	$ 484,337